Index: MsgDefs.h
===================================================================
diff -u -reb2e0d9e52c25f6b496acc43021b0a21170b88fa -re083277d48b8e96a07b52e1e2362f03766a062ae
--- MsgDefs.h	(.../MsgDefs.h)	(revision eb2e0d9e52c25f6b496acc43021b0a21170b88fa)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision e083277d48b8e96a07b52e1e2362f03766a062ae)
@@ -8,8 +8,8 @@
 *
 * @file    MsgDefs.h
 *
-* @author  (last)      Michael Garthwaite
-* @date    (last)      14-Aug-2023
+* @author  (last)      James Walter Taylor
+* @date    (last)      16-Aug-2023
 *
 * @author  (original)  Sean
 * @date    (original)  27-Feb-2020
@@ -160,7 +160,7 @@
     MSG_ID_HD_DISINFECT_RESPONSE = 0x80,                                ///< HD response to disinfection selection
     MSG_ID_DG_SEND_SERVICE_SCHEDULE_DATA_TO_HD = 0x81,                  ///< DG send service schedule data to HD
     MSG_ID_HD_REQUEST_SERVICE_RECORD_FROM_HD = 0x82,                    ///< HD request service schedule data from HD
-    MSG_ID_MSG_AVAILABLE_4 = 0x83,                                      ///< Message available for use
+    MSG_ID_DG_PARK_CONCENTRATE_PUMPS_CMD_REQUEST = 0x83,                ///< HD request DG to park concentrate pumps
     MSG_ID_DG_HEAT_DISINFECT_TIME_DATA = 0x84,                          ///< DG broadcast of heat disinfection mode time data
     MSG_ID_DG_CHEM_DISINFECT_TIME_DATA = 0x85,                          ///< DG broadcast of chemical disinfection mode time data
     MSG_ID_DG_VOLTAGES_DATA = 0x86,                                     ///< DG voltages data publish
@@ -395,6 +395,7 @@
     MSG_ID_HD_SET_TEST_CONFIGURATION = 0x8097,                          ///< HD set test configuration
     MSG_ID_HD_SIGNAL_RECOVER_FROM_FAULT_MODE = 0x8098,                  ///< HD signal recover from fault mode
     MSG_ID_HD_RAM_STATUS_OVERRIDE = 0x8099,                             ///< HD RAM status bit override
+    MSG_ID_HD_VALVES_STATES_PUBLISH_INTERVAL_OVERRIDE = 0x809A,         ///< HD Valve data broadcast interval override request
 
     MSG_ID_FIRST_DG_TESTER_MESSAGE = 0xA000,                            ///< First DG test message ID
     MSG_ID_DG_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_DG_TESTER_MESSAGE,    ///< DG tester log-in
@@ -411,7 +412,7 @@
     MSG_ID_DRAIN_PUMP_SEND_INTERVAL_OVERRIDE = 0xA00C,                  ///< Drain pump data broadcast interval override request
     MSG_ID_LOAD_CELLL_SEND_INTERVAL_OVERRIDE = 0xA00D,                  ///< Load cell data broadcast interval override request
     MSG_ID_VALVE_STATE_OVERRIDE = 0xA00E,                               ///< Valve state override request
-    MSG_ID_VALVES_STATES_PUBLISH_INTERVAL_OVERRIDE = 0xA00F,            ///< Valve data broadcast interval override request
+    MSG_ID_DG_VALVES_STATES_PUBLISH_INTERVAL_OVERRIDE = 0xA00F,         ///< DG Valve data broadcast interval override request
     MSG_ID_TEMPERATURE_SENSORS_VALUE_OVERRIDE = 0xA010,                 ///< Temperature sensor override request
     MSG_ID_START_STOP_PRIMARY_HEATER = 0xA011,                          ///< Start/stop primary heaters
     MSG_ID_TEMPERATURE_SENSORS_PUBLISH_INTERVAL_OVERRIDE = 0xA012,      ///< Temperature sensors data publish override